db4o Developer Community

Using db4o 6.4 for java, with single user .yap file or in-memory adapter (i.e., still no c/s).I do have the nqopt and bloat jars on the classpath in ant build file:   <property name=''thirdParty.lib.dir'' location=''${masterbuild.dir}/thirdParty/lib'' description=''dependencies jars'' />  <!-- OO database -->  ...

I am using a NL query in Java to do a search with an enum field as a criterion. The field is indexed. It seems that it only works if I compare the ordinal values of the enum. When I say it ''works'' I mean that I get the correct number of objects back. Without the ordinal methods the enum field seems to be treated as unconstrained. Is this ...

Thank you Tetyana. This makes sense. Can you tell me if there are any known problems with using Java enum types in NL queries? Is there a place I should look for these kinds of issues so I don't have to bother the forum? Thanks, Paul

Hi, I am evaluating db4o for use at work. We store a single table of fairly simple data (no joins, just one class with 13 or so string/long fields), but it needs to be able to handle millions of records. Currently we are using a normal SQL database, but some of the queries are a bit slow: 10-20 seconds is too much. I am having trouble getting ...